First conditional:
1.If you _____ (heat) ice, it ____ (melt).
2.If it _____ (rain), the grass ____ (get) wet.
3.If you _____ (add) salt to water, it ___ (dissolve).
4. If she _____ (study) hard, she ___ (pass) the test.
5.If we _____ (not hurry), we ___ (miss) the train.
Second conditional:
6.If he _____ (not come), I ___ (be) disappointed.
7. If I _____ (have) more money, I ____ (travel) the world.
8.If you _____ (know) her phone number, _____ (you/give) it to me?
9.If it _____ (not rain) tomorrow, we _____ (have) a picnic.